1
Takayuki Hayashi, Seiichiro Yamashita: Workpiece conveyor and method of conveying workpiece. Seiko Epson Corporation, Harness DIckey & Pierce, April 7, 2009: US07513716 (26 worldwide citation)

There is provided a workpiece conveyor including a workpiece conveying path which guides the conveyance of a workpiece; and a pair of air-blowing devices which are disposed on both sides of the workpiece conveying path and blow air uniformly to the workpiece on the workpiece conveying path from both ...


2
Seiichiro Yamashita: Friction stir welding method. Kawasaki Jukogyo Kabushiki Kaisha, Kolisch Hartwell PC, April 6, 2004: US06715664 (9 worldwide citation)

Disclosed is a friction stir welding method of welding a butted portion of work pieces relatively easily and firmly with an improved finish after the butted portion is tack-welded. In the method, a plurality of work pieces are placed to be butted, a plurality of V-shaped grooves are intermittently f ...


3
Yuzo Kano, Masayuki Inuzuka, Seiichiro Yamashita, Yasumasa Nakashima, Yasuhide Nagao, Tomoyuki Iwashita: Spot joining method and spot joining device. Kawasaki Jukogyo Kabushiki Kaisha, Marshall Gerstein & Borun, December 21, 2004: US06832713 (8 worldwide citation)

A spot joining device comprises a joining tool, an induction motor for rotating the joining tool, a servo motor for vertically moving the joining tool along an axis of the joining tool, and a receiving member placed opposite to the joining tool. The joining tool includes a short-column shaped should ...


4
Takehiko Saeki, Tsuneo Kinoshita, Seiichiro Yamashita: Rotating tool for friction stir welding, and method and apparatus of friction stir welding using it. Kolisch Hartwell PC, May 29, 2003: US20030098335-A1 (1 worldwide citation)

Disclosed is a rotating tool for friction stir welding capable of providing uniform welding strength by friction stir welding over the entire length of a butted portion of work pieces including tack-welded sections by weld metal structures, and a method and apparatus of friction stir welding using t ...


5
Seiichiro Yamashita, Hiroaki Kusakabe, Kazunari Matoba, Tetsuzo Ito: Root canal length measuring apparatus and root canal therapy apparatus. J Morita Manufacturing Corporation, DLA Piper, December 30, 2014: US08920166

The present invention provides a root canal length measuring apparatus and a root canal treatment apparatus which can acquire a position of a measurement electrode with high reproducibility in the same root canal. The root canal length measuring apparatus includes a measurement electrode which is in ...


6
Seiichiro Yamashita, Kyoshi Tokunaga, Naoki Katsuda: Dental treating apparatus. J Morita Manufacturing Corporation, Osha Liang, October 11, 2016: US09463076

The present invention is directed to a dental treating apparatus including: a hand piece; a power source (micro motor); a driving unit (motor driver); a driving state detecting unit (resistor for load detection, root canal length measuring circuit); and a controller. The hand piece drivably holds a ...


7
Hiroaki Kusakabe, Naoki Katsuda, Seiichiro Yamashita, Kazunari Matoba: Functional module type medical apparatus, functional module used for the apparatus, medical system using the functional module and medical functional module unit for use in medical treatment and/or diagnosis. J Morita Manufacturing Corporation, DLA Piper, June 5, 2012: US08192359

A functional module type medical apparatus for use in medical treatment and/or diagnosis and a functional module with individual function of medical treatment and/or diagnosis are disclosed. The functional module type medical apparatus comprises a common functional body with a module connection part ...


8
Seiichiro Yamashita, Kyoshi Tokunaga, Naoki Katsuda: Dental treating apparatus. J Morita Manufacturing Corporation, Osha Liang, November 1, 2016: US09480538

The present invention is directed to a dental treating apparatus including: a hand piece; a power source (micro motor); a driving unit (motor driver); and a controller. The driving unit drives the cutting tool so as to be switchable between first driving in which the cutting tool is driven clockwise ...


9
Naoki Katsuda, Seiichiro Yamashita, Tomoaki Ueda, Hideo Hijikata: Dental treating apparatus. J Morita Manufacturing Corporation, Osha Liang, June 20, 2017: US09681929

A dental treating apparatus according to the present invention includes: a hand piece; a head unit; a driving unit; a resistor for load detection; a load comparing unit; and a control unit. The hand piece drivably holds a cutting tool on the head unit. The driving unit drives the cutting tool in a n ...


10
Seiichiro Yamashita, Tsuyoshi Tanaka, Minoru Imazato, Kazunari Matoba: Dental treating apparatus with hand piece. J Morita Manufacturing Corporation, Osha Liang, November 24, 2015: US09192450

A dental treating apparatus has a head unit having a holder for drivably holding a cutting tool, a hand piece body connected to the head unit for transmitting power to drive the cutting tool, and a controller for controlling the driving of the cutting tool. The dental treating apparatus further has ...